نتایج جستجو برای: drying methodskelussia odoratissimaz ligustilideessential oil
تعداد نتایج: 161806 فیلتر نتایج به سال:
today special attention has been paid to the microbial quality of medicinal plants.one of the operations in order to maintain the quality of plants is drying which may also affect the quantity and quality of the essential oil. in order to evaluate drying process effect in peppermint,the experiment was conducted in randomized complete block design with 4 treatments and 3 replications. the treatm...
We investigate the water-oil interface using molecular dynamics simulations of realistic models of alkanes and water. The intrinsic density profiles are computed using a methodology that removes the smoothing effect of the capillary waves. We show that at 300 K the intrinsic width of the gap separating the oil and water phases spans little more than one water molecule diameter, and undergoes ve...
Global waste production has raised recently due to numerous agricultural and industrial activities. Among other actions devoted to waste reduction, revaluation seems to be the most advantageous one from an environmental and economic point of view. In the olive oil sector, by-product management (namely olive pomace, olive mill wastewater, and sludge residue) poses serious problems for companies,...
drying, is one of the important postharvest processes of medicinal plants with an important role played in quality and quantity of the drugs. in this research, in order to study the effect of growing conditions and different drying methods on drying time, essential oil content, color characteristics and microbial load of dracocephalum moldavica, a factorial experiment in randomized complete blo...
the objective of this study was to investigate dehydration kinetics of barberry (berberis vulgaris l.) at different drying temperatures (60 ºc, 70 ºc, 80 ºc), air velocities (0.3 m s-1, 0.5 m s-1, 1 m s-1) with two types of pretreatment. drying time and colour quality during dehydration were experimentally determined. barberries were dried from the initial moisture content of 73.44% (w.b.) to t...
canola is known as an important oilseeds crop throughout the world. cultivation and subsequent oil extraction of this crop has gained substatantial development in recent years in iran. many parts of iran (northern provinces) especially golestan and mazandarn are of high relative humidity during harvesting season as well as during storage periods. spoilage and rancidity are problems more encount...
Influence of moisture on the instrument transformers’ paper-oil insulation and its further maintenance is described in this paper. Improved insulation drying method using vacuum and temperature regulation with definite regulation algorithm of parameters is proposed and analyzed by comparing it with conventional drying method.
rapeseed is one of the important oilseeds, as its oil ranks second in the world after soybean. the rapeseed cultivation has been increased recently in iran. drying of seeds to a safe moisture level is necessary for storage of oilseeds before processing. rapeseed drying conditions affect the seed quality, total oil and germination capacity. hence in this research the effects of different tempera...
the efficiency of oil extraction from oil seeds is affected by seed harvesting time, drying methods, seed storage conditions and finally the means of seed transportation to the factory. to determine the grain moisture content at harvest and its effect on seed while on drying trails, (employing different canola dryers), a study was conducted in mazandaran province in 2009. a factorial complete ...
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